MRI History (01:23)
Learn about the contributions of Felix Block, Edward Purcell, Raymond Damadian and Paul Lauterbur to developing NMR and MRI technology from the 1930s to the 1970s.
Technical Aspects of MRI (05:58)
MRI relies on magnetic fields and radio frequencies, as opposed to ionizing radiation utilized in other physical scanning systems. Learn about the role of hydrogen atoms in the MRI process and view scanner components.
MRI Operations: Protocol Considerations (06:52)
Pre-procedural considerations are crucial for patient safety. Patients should report unusual sensations to MR technicians. Magnetic fields and radiofrequency energy may interact with or damage implanted devices; protocols require disabling devices and telemetry monitoring. Learn about MRI-conditional devices, including cost factors.
MRI Operations: Positioning (06:21)
Imaging coils are additional radio frequency coils tailored to fit specific body parts. Learn about the signal-to-noise ratio affecting imaging quality. Coil categories include receive-only, transceiver, and transmit-only; learn about specific types and parallel imaging.
MRI Interpretation (13:09)
Learn about pulse sequences, signal intensity, diffusion weighted sequences, T1 weighted sequences and fat suppression, contrast agents, T2 weighted sequences and fat suppression, FLAIR sequences, T2 star, MRI perfusion, PD weighted sequences, diffusion weighted sequences, MR spectroscopy, and functional MRI.
MRI Conclusion (01:41)
Radiology is a dynamic, evolving field; faster and more powerful computers inspire advanced image analysis methods. Databases are relating multi-dimensional data; molecular probes and contrast agents are improving cellular and molecular imaging.
Credits: Magnetic Resonance Imaging (01:14)
Credits: Magnetic Resonance Imaging
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